> Once it hits the stable tree, only arch maintainers touch it from that
> point on. Package maintainers only work in the ~arch tree.

What's the motivation behind this? I can think of several reasons why
a package maintainer would need to touch a stable ebuild.
--
gcc-porting, by design, by neglect
treecleaner, for a fact or just for effect
wxwidgets @ gentoo EFFD 380E 047A 4B51 D2BD C64F 8AA8 8346 F9A4 0662